Definition of loose verb from the Oxford Advanced Learner's Dictionary

     

    loose

     verb
    verb
    BrE BrE//luːs//
     
    ; NAmE NAmE//luːs//
     
    (formal)Verb Forms present simple I / you / we / they loose
    BrE BrE//luːs//
     
    ; NAmE NAmE//luːs//
     
    he / she / it looses
    BrE BrE//ˈluːsɪz//
     
    ; NAmE NAmE//ˈluːsɪz//
     
    past simple loosed
    BrE BrE//luːst//
     
    ; NAmE NAmE//luːst//
     
    past participle loosed
    BrE BrE//luːst//
     
    ; NAmE NAmE//luːst//
     
    -ing form loosing
    BrE BrE//ˈluːsɪŋ//
     
    ; NAmE NAmE//ˈluːsɪŋ//
     
     
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    release
  1. 1loose something (on/upon somebody/something) to release something or let it happen or be expressed in an uncontrolled way His speech loosed a tide of nationalist sentiment.
  2. make something loose
  3. 2loose something to make something loose, especially something that is tied or held tightly synonym loosen He loosed the straps that bound her arms.
  4. fire bullets
  5. 3loose something (off) (at somebody/something) to fire bullets, arrows, etc.
  6. Do not confuse this verb with to lose  =  ‘to be unable to find something’.
    Word Origin Middle English loos ‘free from bonds’, from Old Norse lauss, of Germanic origin; related to Dutch and German los.
See the Oxford Advanced American Dictionary entry: loose